CVE-2021-3774

Meross MSS550X Missing Encryption of Sensitive Data

State
Published
Severity
7.4 High
Published
Nov 5, 2021
Updated
Apr 23, 2025
Reserved
Sep 6, 2021

Read the record on cve.org

Description

Meross Smart Wi-Fi 2 Way Wall Switch (MSS550X), on its 3.1.3 version and before, creates an open Wi-Fi Access Point without the required security measures in its initial setup. This could allow a remote attacker to obtain the Wi-Fi SSID as well as the password configured by the user from Meross app via Http/JSON plain request.

Scores

CVSSScoreVectorSource
3.17.4 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:NINCIBE

Weaknesses

  • CWE-319 Cleartext Transmission of Sensitive Information

Affected Products

ProductVersions
Meross Smart Wi-Fi 2 Way Wall SwitchMeross
  • 3.1.3 and earlierAffected

References

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